Sheet Metal:Level One:Annotated Instructor's Guide 

 - 3rd ed 
 -   Pearson Prentice Hall ,  Nccer(National Center For Construction Education And Research)  ©2008 
<br/><br/><label>ISBN: </label>9780136044833  00 
<br/><br/><label>Dewey Class. No.: </label>671.8/SHE